Comparison

C Interview Questions vs Vastlabs App

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

C Interview Questions

Features
Read full description

The C programming app will teach you everything to help you crack C programming interview questions. C programming is a general-purpose programming language. In this modern era where everything is automated, technology has taken a huge rise. When I say technology, computers are everything, especially in the IT field. There are various computer languages available, and the one who knows them all is notable. Staying updated and learning new things will always help us grow personally and professionally. Using C programming, we can do stuff like designing compilers, developing operating systems, graphical user interfaces, brose engines, and embedded systems. In the C programming app, we learn about C language introduction, the basics of C programming, C programming coding interview questions, how to use the C program to swap two numbers, C program to find ASCII, C program to print lowercase and uppercase, and so much more. FEATURES OF THE APP: β€’ The C programming interview questions app has a very user-friendly interface. You just have to open the app and select any topic you want to learn about, and all the answers will be displayed. β€’ The app has a separate folder called "Library”, which can be used as a personal reading list of topics you wish to learn in the future and can also add to favourites any topic you enjoyed and loved learning. β€’ Themes and Fonts can be customised according to your reading style. β€’ This app's main motive is to sharpen the user's IQ with all C language interview questions.

About

Vastlabs App

Features
Read full description

Vastlabs is a leading destination for online courses that empowers you to grow professionally and personally. Get the app to explore our expansive library of thousands of topics with cutting-edge online video courses in Coding, Web Development, PHP, Flutter, Python, Java, Business, Marketing, SEO, SEM, Drawing, Photography, and much more.

Screenshots

C Interview Questions4 screens
Vastlabs App4 screens

Verdict

The call

The clearest difference is update cadence: Vastlabs App at fortnightly against C Interview Questions's every 51 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. C Interview Questions sells 1 one-off in-app purchase and Vastlabs App sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

C Interview Questions ships an update every 51 months, Vastlabs App fortnightly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard1 real difference Β· 5 level
C Interview Questions versus Vastlabs App: the parameters behind the verdict, then further details
ParameterC Interview QuestionsVastlabs App
PriceFreeFree
Update frequencyEvery 51 monthsFortnightly β€” better
AdsYesYes
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 β€” better15.1
Further details β€” not scored
Size16 MB37 MB
Age rating4+4+
DeveloperRAVINDHIRAN SUMITHRAGeorge Raphael

In-app purchases

1 purchases

C Interview Questions

One-time1
  • C Interview Questions Adfree$3.99
8 purchases

Vastlabs App

One-time8
  • C Programming$34.99
  • HTML - Beginners Guide$34.99
  • CSS- Beginner's Guide$69.99
Show 5 more
  • PHP - Beginners Guide$89.99
  • MySQL - Beginners Guide$99.99
  • Javascript - Beginners Guide$99.99
  • Beginner's Guide To Laravel$149.99
  • Mobile Application Development$229.99

Questions

Is C Interview Questions free?
C Interview Questions is free to download, with in-app purchases available.
Is Vastlabs App free?
Vastlabs App is free to download, with in-app purchases available.
Do C Interview Questions or Vastlabs App have ads?
Both C Interview Questions and Vastlabs App show ads.
Which is updated more often, C Interview Questions or Vastlabs App?
C Interview Questions ships an update every 51 months, and Vastlabs App fortnightly. Most recently, C Interview Questions was updated on November 2, 2026 and Vastlabs App on November 3, 2026.

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